Answer:
1. Sam was sure many of his answers *Were* wrong.
2. Neither of the boys *were* ready on Time.
3. Most of the listeners *Understand* the speakers' purpose.
4. I looked down the street, but no one *was* there.
5. Everyone in the cub *Wants* to have a party next Week.
6. Someone in the audience *has* a Question.
7. Are u sure that everything *is* packed for the Trip?
8. Half of the children *arrive* Late.
9. Each of the players *seem* bigger than the next!
10. *Are* all the stores open?
11. Nobody *wishes* to argue with a Rattlesnake.
12. All of the cake *is* Gone
13. Many of my friends *Attend* night classes.
14. I don't think anyone *has*been happier than Mercy.
15. Only one of the dogs *Bite* without provocation. )
It identifies the focus and method of the research project.
AND
it provides important scientific and medical data to the public.
B) My headache is killing me. It is not literally killing him, it is an exaggerated statement.